Add a helper script to build and update the dashboard UI in a running…

… container

scripts/patch-docker-container

@@ -0,0 +1,81 @@
+#!/usr/bin/env bash
+
+DIR=$(cd $(dirname $0)/..; pwd)
+
+CYAN="\033[96m"
+YELLOW="\033[93m"
+RESET="\033[0m"
+BOLD="\033[1m"
+
+echo -e "${CYAN}${BOLD}============================================================${RESET}"
+echo -e "${CYAN}${BOLD}Patch running Rancher Docker container with dev Dashboard UI${RESET}"
+echo -e "${CYAN}${BOLD}============================================================${RESET}"
+echo ""
+echo "This script will build the Dashboard UI and copy the built UI into the specified running Rancher container"
+echo ""
+
+if [ -z "$1" ]; then
+  echo -e "${YELLOW}Need ID of Rancher container to patch${RESET}"
+  exit 1
+fi
+
+DOCKER=$(docker version > /dev/null)
+if [ $? -ne 0 ]; then
+  echo -e "${YELLOW}Can not run Docker commands - is Docker running?${RESET}"
+  exit 1
+fi
+
+CONTAINER=$1
+
+# Check container exists and looks like a Rancher container
+VERSION=$(docker exec ${CONTAINER} /bin/bash -c "printenv CATTLE_DASHBOARD_UI_VERSION")
+
+if [ $? -ne 0 ]; then
+  echo -e "${YELLOW}Could not get version env var from container - check the container ID${RESET}"
+  exit 1
+fi
+
+echo "Dashboard UI version from existing container: ${VERSION}"
+
+# Check we have node and yarn installed
+
+node --version > /dev/null 2>&1
+if [ $? -ne 0 ]; then
+  echo -e "${YELLOW}node does not appear to be installed - this is required to build the UI${RESET}"
+  exit 1
+fi
+
+yarn --version > /dev/null 2>&1
+if [ $? -ne 0 ]; then
+  echo -e "${YELLOW}yarn does not appear to be installed - this is required to build the UI${RESET}"
+  exit 1
+fi
+
+if [ ! -d node_modules ]; then
+  echo -e "${YELLOW}node_modules folder does not exist - running yarn install${RESET}"
+  yarn install
+fi
+
+set -e
+
+# Prepare dist folder
+DIST=${DIR}/dist
+mkdir -p ${DIST}
+DIST=$DIST/production
+
+# Clean old build
+rm -rf ${DIST}
+
+echo -e "${CYAN}Building production build of Dashboard${RESET}"
+
+# Build dashboard with the correct router base
+OUTPUT_DIR=${DIST} ROUTER_BASE='/dashboard/' RESOURCE_BASE='/dashboard/' yarn run build
+
+# Delete the existing UI in the conatiner
+docker exec ${CONTAINER} rm -rf /usr/share/rancher/ui-dashboard/dashboard
+docker cp ${DIST} ${CONTAINER}:/usr/share/rancher/ui-dashboard/dashboard
+
+echo ""
+echo "All done"
+echo -e "${YELLOW}Note: It is recommended to set the Rancher 'ui-offline-preferred' setting to 'Local' to ensure the embedded UI is always used${RESET}"
+echo ""